Brother DPC-8060 Service Manual page 327

Error Code
(Hex)
6E Heater temperature does not
go up enough.
6F Heater hard limiter operates.
70 Not used.
71 Scanner motor does not
synchronize with the
reference clock.
72 Cannot detect Beam Detect
signal.
73 The drum unit is not mounted.
(Not used.)
74 Toner empty
75 In casing temperature error.
76 Heater overheats.
77 The power supply is turned
off when the error 76 or 78
occurs.
78 Temperature of the heater does
not rise.
79 Thermistor in the machine
defective
Symptom
9-5
Probable Cause
Halogen lamp defective
Power supply PCB
defective
Thermistor defective
Power supply PCB
defective
Laser unit defective
Main PCB defective
Laser unit defective
Main PCB defective
Toner sensor defective
Toner empty
In casing temperature
sensor defective
Thermistor in the fuser
unit defective
PS PCB unit defective
Main PCB defective
---
Poor connection in the
harness of the halogen
lamp
Halogen lamp defective
Thermistor defective
PS PCB unit defective
Main PCB defective
Extremely high or low
temperature inside the
machine
Solution
Replace the halogen lamp.
Replace the power supply
PCB.
Replace the thermistor.
Replace the power supply
PCB.
Replace the laser unit.
Replace the main PCB.
Replace the laser unit.
Replace the main PCB.
Replace the toner sensor.
Replace the toner
cartridge.
Replace the in casing
temperature sensor.
Replace the thermistor in
the fuser unit.
Replace the PS PCB unit.
Replace the main PCB.
---
Reinsert and adjust the
harness.
Replace halogen lamp.
Replace the thermistor.
Replace the PS PCB unit.
Replace the main PCB.
Replace the termistor in
he machine.
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